one
gb/wˈʌn/ us/wˈʌn/
A1
英语
~ 200
义项
0 个义项
numeral
A1
quantity
1
The number 1
The number that comes before two and after zero.
常见错误：
Learners sometimes confuse 'one' with 'a' or 'an'. 'One' emphasizes the exact number, while 'a/an' may not.
近义词
single (Often used to emphasize being alone or only one, sometimes with stylistic differences.)
反义词
zero (Represents the absence of any quantity, opposite of having one.)
搭配
one day
|one person
|one thing
|one time
主题
math
|daily life
|core_vocabulary
|education
例句
- There is only one apple left on the table.
- She has one brother and two sisters.
- One of my friends is from Spain.
学习者例句
- I have one pen.
- There is one cat in the garden.
- One boy is playing in the park.
pronoun
A2
relation
2
A single person or thing
Used instead of repeating a noun to mean a single person or thing.
用法模式：
[something] is the one that [verb]
常见错误：
Learners sometimes forget to match 'one' with singular verbs and pronouns.
近义词
individual (More formal and often refers to a person specifically.)
反义词
many (Refers to more than one person or thing.)
搭配
the one who
|the one that
|this one
|that one
主题
daily life
|core_vocabulary
|communication
例句
- This is the one I told you about.
- Which one do you prefer?
- He is the one who helped me.
学习者例句
- This is the one I like.
- Which one is your bag?
- He is the one with a red hat.
名词
A2
entity
3
A single unit or item
A single person or thing.
近义词
single unit (More technical or literal in some contexts.)
反义词
multiple (Refers to more than one unit or item.)
搭配
one of them
|one of us
|one of the best
主题
daily life
|core_vocabulary
例句
- One of the chairs is broken.
- She is one of my best friends.
- This book is a good one.
学习者例句
- One of my shoes is lost.
- He is one of my teachers.
- This is a good one.
adjective
B1
property
4
United or whole as a single entity
Together as a single group or thing.
用法模式：
[group] is one in [purpose/goal]
近义词
united (Emphasizes being joined together for a purpose.)
反义词
divided (Separated into parts, lacking unity.)
搭配
one nation
|act as one
|speak with one voice
主题
relationships
|core_vocabulary
例句
- We must act as one to succeed.
- They spoke with one voice on the matter.
- The two companies became one after the merger.
学习者例句
- We work as one team.
- They speak as one group.
- We are one family.
pronoun
formal
B2
relation
5
An unspecified person (formal)
'One' means 'any person' in general statements, used in formal English.
用法模式：
One [verb] when [condition]
常见错误：
Learners often use 'one' in informal contexts where 'you' would sound more natural to native speakers.
近义词
you (impersonal) ('You' is less formal and more common in everyday English for general statements.)
搭配
one should know
|if one wishes
主题
formal language
|core_vocabulary
|communication
例句
- One should always tell the truth.
- If one is careful, mistakes can be avoided.
- One must be prepared for change.
学习者例句
- One should eat healthy food.
- One must be polite to others.
- One can learn from mistakes.
语法
词典原形
one
IPA
GB/wˈʌn/
US/wˈʌn/
音节与重音
one （1 个音节）
Stress on 1st syllable (one)
词形变化
Adjective
- Base: one
Noun
- Base: one
- Plural: ones
词族
相关表达
all in one
1/ˈɔl ˈɪn wˈʌn/
fixed phrase
Combined into a single thing
When different things are together in the same product or place.
例句
- It's an all-in-one printer, scanner, and copier.
- She’s an athlete, artist, and scholar all in one.
at one with
1/ˈæt wˈʌn wˈɪθ/
fixed phrase
In complete harmony with something/someone
Feeling completely connected and peaceful with something or someone.
例句
- He felt at one with nature.
- She was at one with her surroundings.
for one thing
1/fɚ wˈʌn θˈɪŋ/
fixed phrase
Giving a reason among others
Used to introduce one reason when there are more reasons too.
例句
- I can’t go, for one thing I have no money.
- For one thing, it’s too far away.
one by one
1/wˈʌn bˈaɪ wˈʌn/
fixed phrase
Separately, in sequence
Doing things to each person or thing separately, in order.
例句
- The teacher called the students one by one.
- They entered the room one by one.
one of a kind
1/wˈʌn əv ə kˈaɪnd/
idiom
Unique and special
Very special and different from all others.
例句
- Her dress was truly one of a kind.
- Her handmade wedding dress was one of a kind.
- This opportunity is one of a kind.
- He’s one of a kind—no one else has his sense of humor.
one of a kind
2/wˈʌn əv ə kˈaɪnd/
idiom
completely unique person or thing
Someone or something that is special and different from all others.
例句
- Her artwork is truly one of a kind.
- He’s one of a kind—there’s no one else like him.